6804140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 17064432

約数和(自身を除く): 10260292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 131, 140, 196, 212, 245, 262, 265, 371, 490, 524, 530, 655, 742, 917, 980, 1060, 1310, 1484, 1834, 1855, 2597, 2620, 3668, 3710, 4585, 5194, 6419, 6943, 7420, 9170, 10388, 12838, 12985, 13886, 18340, 25676, 25970, 27772, 32095, 34715, 48601, 51940, 64190, 69430, 97202, 128380, 138860, 194404, 243005, 340207, 486010, 680414, 972020, 1360828, 1701035, 3402070, 6804140]

約数ペア:

[(1, 6804140), (2, 3402070), (4, 1701035), (5, 1360828), (7, 972020), (10, 680414), (14, 486010), (20, 340207), (28, 243005), (35, 194404), (49, 138860), (53, 128380), (70, 97202), (98, 69430), (106, 64190), (131, 51940), (140, 48601), (196, 34715), (212, 32095), (245, 27772), (262, 25970), (265, 25676), (371, 18340), (490, 13886), (524, 12985), (530, 12838), (655, 10388), (742, 9170), (917, 7420), (980, 6943), (1060, 6419), (1310, 5194), (1484, 4585), (1834, 3710), (1855, 3668), (2597, 2620)]